

import java.util.Arrays;
import java.util.Scanner;

public class Main{

	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt();
		PersonSortable[] p=new PersonSortable[n];
		for(int i=0;i<n;i++){
			PersonSortable pp=new PersonSortable(sc.next(),sc.nextInt());
			p[i]=pp;
		}
		Arrays.sort(p);
		for (PersonSortable personSortable : p) {
			System.out.println(personSortable);
		}
		System.out.println(Arrays.toString(PersonSortable.class.getInterfaces()));
	    sc.close();
	}

}

class  PersonSortable implements Comparable<PersonSortable>{
	private String name;
	private int age;
	public PersonSortable(String name,int age){
		this.name=name;
		this.age=age;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
	@Override
	public String toString() {
		return name + "-"+ age ;
	}
	@Override
	public int compareTo(PersonSortable o) {
		int x=this.name.compareTo(o.name);
		if(x!=0)
			return x;
		if(x==0)
			return this.getAge()-o.getAge();
		return 0;
	}
}














